oceanbase数据库oracle 的相关内容

阿里云文档 2026-01-13

通过Multi-Insert Table AM的批量插入机制提高数据插入性能-云原生数据库 PolarDB-阿里云

PolarDB PostgreSQL版（兼容Oracle）集群Table AM的接口定义中包含单行插入接口和批量插入接口，当需要插入较多元组数据时，可通过启用批量插入接口提高数据插入效率。

阿里云文档 2026-01-13

批量导入基础设施的原理与性能优化-云原生数据库 PolarDB-阿里云

PolarDB PostgreSQL版（兼容Oracle）集群提供批量导入基础设施。

阿里云文档 2025-09-23

如何共享PolarDB集群的备份集

当您需要将数据库备份提供给其他团队或合作伙伴进行数据分析、开发测试或数据迁移时，传统方式往往涉及复杂耗时的数据导出与传输。PolarDB的共享备份集功能简化了这一流程，它基于阿里云资源共享服务，允许您安全地将指定备份集授权给其他阿里云账号使用。接收方可利用该共享备份集快速恢复数据至其名下集群，极大提升了跨账号数据协作的效率与安全性。

阿里云文档 2025-08-07

如何创建并应用参数模板

在配置PolarDB集群时，如果多个集群中包含一个或多个参数的配置相同，您可以使用参数模板功能，对参数进行集中管理，并快速应用至集群，以提升参数管理效率和集群配置效率。

阿里云文档 2025-06-27

PolarDB集群的数据备份是指在某个时间点上对集群的全量数据进行备份，生成一个备份集（快照）。该备份过程采用ROW（Redirect-on-Write）快照机制，直接存储在PolarDB集群的分布式存储系统上。在保存备份时，数据并未被真正复制。而当数据块发生修改时，系统会将历史版本的数据块保留给快照，同时生成一个新的数据块被原数据引用（Redirect）。本文将详细介绍创建备份、删除备份以及在数...

问答 2024-06-10 来自：开发者社区

OceanBase数据库中，支持和oracle双向数据实时同步吗？就是双写时同步

问答 2024-05-26 来自：开发者社区

请问OceanBase数据库的ob oracle版本怎么查询用户中所有表的数据量？

请问OceanBase数据库的ob oracle版本怎么查询用户中所有表的数据量？all_all_tables这个查的不对呀？

问答 2024-05-20 来自：开发者社区

OceanBase数据库 oracle版本创建不了以下的表怎么办？

OceanBase数据库 oracle版本 creat table select * from text_yyyymmdd 创建不了表呢？yyyymmdd 通过tochar 获取的当前日期就是说创建当日备份表为什么不可以啊？在oracle中是可行的

问答 2024-05-20 来自：开发者社区

如下请问一下 OceanBase数据库oracle版本这个问题怎么解决？

请问一下 OceanBase数据库oracle版本中。我目前有一条数据字段为clob 大字段字符数量有40000多字并且是外国语言的字符我通过id编号差这条名单查200多秒查不出来数据量3000条

问答 2024-05-20 来自：开发者社区

OceanBase数据库oracle租户登录后，如何查看当前租户是哪个？类似show tenant:

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更新时间 2024-06-11 12:30:21

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数据库审计

满足等保2.0二级和三级 “安全审计”合规要求的同时，智能解析数据库通信流量，细粒度审计数据库访问行为，通过对数据库全量行为的审计溯源、危险攻击的实时告警、风险语句的智能预警，提供数据库资产最安全的监控保障。

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